The core concept of the mentioned application architectures is to make the business logic independent from communication with the outside world (disk, network, UI, etc). It’s achieved by applying the Dependency Inversion Principle (DIP) at the architectural level. Exactly the same concept is used in MIM (Module Infrastructure-Module Application Architecture). Thanks to that, all these architectures solved the problem of low testability, which was intrinsic to the classical Three-tier Architecture.
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这背后,一方面固然有 AI 落地本身就很难的原因,但另一方面也确实是百度以往在推进 AI 落地的动作不够坚决,对于旧有广告业务的路径依赖也是客观存在的;而基于这种路径依赖,李彦宏本人想要的那种转型一直未能迟迟推进。
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